Feminine dossier · first seen 1974

Rhiannon

Resurgent Gaining cultural share
Peak era
1999
Peak births
651
Current vitality
Fragile
Peak generation
Gen Z
1974Peak 19992025
peak 1999 2025 18801900192019401960198020002020

Quick answers about Rhiannon

How many people are named Rhiannon?

An estimated 15,245 living Americans are named Rhiannon.

How rare is Rhiannon?

Rhiannon is uncommon among babies today, with 210 girls receiving the name in 2025, down 67.7% from its 1999 peak.

How old is the typical Rhiannon?

The median age of a living American named Rhiannon is approximately 28 years, with most bearers falling between 21 and 40 years old.

Is Rhiannon still popular?

Yes — Rhiannon is currently rising in popularity, with 210 births in 2025.

Peak year
1999
Decline from peak
67.7%
2025
210
All-time
15,539

Rhiannon broke out in California, Colorado, and Washington (1977) and became over-represented in 11 states over 25 years.

Broke out: California, Colorado, and Washington, 1977 · over-represented in 11 states over 25 years

Alabama: no breakout AL Alaska: no breakout AK Arizona: broke out 1978 AZ Arkansas: no breakout AR California: broke out 1977 CA Colorado: broke out 1977 CO Connecticut: no breakout CT Delaware: no breakout DE District of Columbia: no breakout DC Florida: no breakout FL Georgia: no breakout GA Hawaii: no breakout HI Idaho: no breakout ID Illinois: no breakout IL Indiana: broke out 2002 IN Iowa: no breakout IA Kansas: broke out 1978 KS Kentucky: no breakout KY Louisiana: no breakout LA Maine: no breakout ME Maryland: no breakout MD Massachusetts: no breakout MA Michigan: no breakout MI Minnesota: broke out 1981 MN Mississippi: no breakout MS Missouri: no breakout MO Montana: no breakout MT Nebraska: no breakout NE Nevada: no breakout NV New Hampshire: no breakout NH New Jersey: no breakout NJ New Mexico: broke out 2001 NM New York: no breakout NY North Carolina: no breakout NC North Dakota: no breakout ND Ohio: no breakout OH Oklahoma: broke out 1999 OK Oregon: no breakout OR Pennsylvania: broke out 2002 PA Rhode Island: no breakout RI South Carolina: no breakout SC South Dakota: no breakout SD Tennessee: no breakout TN Texas: no breakout TX Utah: no breakout UT Vermont: no breakout VT Virginia: no breakout VA Washington: broke out 1977 WA West Virginia: no breakout WV Wisconsin: broke out 1980 WI Wyoming: no breakout WY